Mailing List flyrotary@lancaironline.net Message #18107
From: Wendell Voto <jwvoto@itlnet.net>
Subject: Re: [FlyRotary] Re: FW: Cooling system update / screen ahead of radiator
Date: Mon, 28 Feb 2005 10:48:57 -0600
To: Rotary motors in aircraft <flyrotary@lancaironline.net>, David Carter <dcarter@datarecall.net>
I am no where near flying, but I'd like to put 2 cents worth in on screens ahead of a radiator.
First I agree that the source of the debris should be determined and eliminated.
A story about screens ahead of radiators - we used to put screens ahead of our auto rads to stop bugs from clogging the rad. Went on a trip out of Amarillo TX with a friend in his '62 chevy 283 V8. Ran air conditioner (OAT around 100) and his car started to over heat. Not wanting to do without AC he removed the screen in from of the radiator and car no longer over heated with AC on.
Screens can block 25 to 40% of the air thru the rad. Wires making up the screen represent a plate area that no air can pass thru, hence losing a good percentage of the radiator air.  No screens for me.  FWIW
Wendell
 
> Chuck, about the radiator that clogged - was it A/C cores or a real
> radiator?
>
> What kind of screen did you use?  What is the terminology for "mesh holes
> per square inch" or whatever for when I go shopping?  Sounds like I
> definitely want a screen.  I wonder how many guys fought high temps and may
> have had blockage like yours.
> David Carter
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